TP4056 18650 Lithium Battery Charger Module Micro/Type-C/Mini USB

Key Features

• Multiple Input Ports — It accepts micro USB, mini USB and Type-C USB input, so it works with several power cables.
• Adjustable Charge Current — The charge current is 1A and can be adjusted.
• Status Indicator LEDs — A red LED shows charging and a green LED shows the cell is fully charged.
• Full Charge Voltage — It charges lithium-ion cells to a full charge voltage of 4.2V ± 1%.
• Linear Charging Method — It uses linear charging to charge the cell.

Product Specifications

• Model: 18650 Lithium Battery Charging Board
• Piece Count: 5 pcs
• Input interface: micro USB/mini usb/type-c usb
• Voltage range: USB (5-20V DC)
• Input voltage: 4.5V-5.5V
• Current: 1A adjustable
• Full charge voltage: 4.2V ± 1%
• Charge precision: 1.5%
• Work temperature: -10° to +85°

What It Is / How It Works

This 18650 lithium battery charging board is a charger module for 18650 lithium-ion cells. It is built around linear charging and shows charge status with two LEDs.

Who It's For / Use Cases

Charger modules like this suit hobbyists, students and builders who assemble their own battery packs or power small projects from 18650 lithium-ion cells. They fit people who want a simple USB-powered way to charge cells they already own.

How to Use / Care

1. Use it to charge 18650 lithium-ion cells from a USB power source.
2. Connect a USB power source within 4.5V-5.5V to the micro USB, mini USB or Type-C input.
3. Watch the indicator: red means the cell is charging and green means it is fully charged.

How to Choose

Choose a charger module by matching its input port to the USB cable and power source you already use. Confirm that your cells are 18650 lithium-ion cells, since the module is set up for that cell type. Check that the 1A charge current suits the cells and your charging time needs.

Frequently Asked Questions

Which input ports does it have?
It has micro USB, mini USB and Type-C USB inputs, with an input voltage of 4.5V-5.5V.

What charge current does it use?
The charge current is 1A and is adjustable.

What do the LED lights mean?
The red LED shows that the cell is charging, and the green LED shows that it is fully charged.

What is the full charge voltage?
It charges to 4.2V ± 1%, with a charge precision of 1.5%.